I am purchasing for an academic institution and require an invoice before purchasing. How do I obtain one? Billy McClennan December 03, 2018 15:02 Updated Follow Please submit a request form and a member of our team will prepare an invoice for you. Related articles Is the Hex sold in retail establishments? Can I order directly from my region or country to avoid paying import fees? Use Case: Interval Training Does the Hex have a warranty? What's included in the box? Comments 0 comments Article is closed for comments.